*SUPPORT*
IN: tufa tufa OUT: YELLOW YELLOW
IN: gazzer gazzer wif tufa dax tufa OUT: RED RED YELLOW YELLOW
IN: fep wif gazzer dax gazzer OUT: BLUE RED RED
IN: fep gazzer wif tufa kiki OUT: BLUE RED YELLOW BLUE RED YELLOW
IN: gazzer fep OUT: RED BLUE
IN: gazzer dax gazzer OUT: RED RED
IN: tufa OUT: YELLOW
IN: tufa dax lug kiki OUT: PURPLE YELLOW PURPLE YELLOW
IN: gazzer tufa wif lug fep kiki OUT: RED YELLOW PURPLE BLUE RED YELLOW PURPLE BLUE
IN: lug wif lug fep dax lug kiki OUT: PURPLE PURPLE PURPLE BLUE PURPLE PURPLE PURPLE BLUE
IN: lug OUT: PURPLE
IN: fep dax gazzer OUT: RED BLUE
IN: gazzer fep dax lug OUT: RED PURPLE BLUE
IN: fep wif gazzer lug dax lug OUT: BLUE RED PURPLE PURPLE

*QUERY*
IN: fep OUT: BLUE
IN: fep wif gazzer kiki OUT: BLUE RED BLUE RED
IN: tufa dax lug OUT: PURPLE YELLOW
IN: fep dax lug OUT: PURPLE BLUE
IN: fep wif lug gazzer wif gazzer OUT: BLUE PURPLE RED RED
IN: lug fep dax tufa OUT: PURPLE YELLOW BLUE
IN: tufa dax fep kiki OUT: BLUE YELLOW BLUE YELLOW
IN: gazzer dax fep OUT: BLUE RED
IN: gazzer OUT: RED
IN: fep dax fep kiki OUT: BLUE BLUE BLUE BLUE

*GRAMMAR*
gazzer -> RED 
 tufa -> YELLOW 
 lug -> PURPLE 
 fep -> BLUE 
 x1 kiki -> [x1] [x1] 
 u1 wif x1 -> [u1] [x1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 